package org.car.world.configs;

import java.io.Serializable;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.cache.interceptor.KeyGenerator;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Profile;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
import org.springframework.data.redis.core.HashOperations;
import org.springframework.data.redis.core.ListOperations;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.SetOperations;
import org.springframework.data.redis.core.ValueOperations;
import org.springframework.data.redis.core.ZSetOperations;
import org.springframework.data.redis.serializer.JdkSerializationRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;

import com.alibaba.fastjson.JSON;

import java.lang.reflect.Method;

@Configuration
public class RedisConfig extends CachingConfigurerSupport {

    /**
     * 自定义key.
     * 此方法将会根据类名+方法名+所有参数的值生成唯一的一个key
     */
    @Bean
    public KeyGenerator cacheKeyGenerator() {
        return (target, method, params) -> {
            StringBuilder sb = new StringBuilder();
            sb.append(target.getClass().getName());
            sb.append(method.getName());
            for (Object obj : params) {
                // 由于参数可能不同, hashCode肯定不一样, 缓存的key也需要不一样
                sb.append(JSON.toJSONString(obj).hashCode());
            }
            return sb.toString();
        };
    }

}

